Alright, let's work through 89199548 times 97137290 step by step
89199548 × 97137290 = 97137290 × (89199548)
+ 97137290 × 8 resulting in 777098320
+ 97137290 × 40 producing 3885491600
+ 97137290 × 500 that equals 48568645000
+ 97137290 × 9000 producing 874235610000
+ 97137290 × 90000 that is equal 8742356100000
+ 97137290 × 100000 producing 9713729000000
+ 97137290 × 9000000 that equals 874235610000000
+ 97137290 × 80000000 that equals 7770983200000000

= 8664602361944920
